KEEN, P. G. (1991). Every Managers Guide To Information Technology A Glossary Of Key Terms And Concepts For Todays Business Leader Petter G.w Keen. Harvard Business School.
Čikaški stil citiranja (17. izdanje)KEEN, Petter G.W. Every Managers Guide To Information Technology A Glossary Of Key Terms And Concepts For Todays Business Leader Petter G.w Keen. Harvard Business School, 1991.
MLA način citiranja (8. izdanje)KEEN, Petter G.W. Every Managers Guide To Information Technology A Glossary Of Key Terms And Concepts For Todays Business Leader Petter G.w Keen. Harvard Business School, 1991.
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